2485409291 has 2 divisors, whose sum is σ = 2485409292. Its totient is φ = 2485409290.

The previous prime is 2485409281. The next prime is 2485409309. The reversal of 2485409291 is 1929045842.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2485409291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2485409281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242704645 + 1242704646.

It is an arithmetic number, because the mean of its divisors is an integer number (1242704646).

Almost surely, 2^2485409291 is an apocalyptic number.

2485409291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2485409291 is an equidigital number, since it uses as much as digits as its factorization.

2485409291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2485409291 is about 49853.8793976958. The cubic root of 2485409291 is about 1354.5633031269.

The spelling of 2485409291 in words is "two billion, four hundred eighty-five million, four hundred nine thousand, two hundred ninety-one".